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Finding the Fourth Proportional to 124,825.80, 187,238.70 and 72,337.80

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Solution

The fourth proportional to 124,825.80, 187,238.70 and 72,337.80 is: 108,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,825.80 : 187,238.70 = 72,337.80 : x
  2. Step 2: Convert to fraction form
    124,825.80/187,238.70 = 72,337.80/x
  3. Step 3: Cross multiply
    124,825.80x = 187,238.70 × 72,337.80
  4. Step 4: Simplify right side
    124,825.80x = 13,544,435,632.86
  5. Step 5: Solve for x
    x = 13,544,435,632.86/124,825.80
  6. Step 6: Final answer
    x = 108,506.70

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